https://www.homedepot.com/pep/RYOBI...IGH-PERFORMANCE-Battery-P317-PBP003/343178894 Ryobi 18V ONE+ Cordless Compression Drive 3/8" Crown Stapler + Ryobi ONE+ 18V 2.0 Ah Lithium-Ion High Performance Battery (P317-PBP003) on sale for $99. Shipping is free or choose store pickup where stock permits.